Include libtinfo5 with the llvm toolchain.

Change-Id: Ic6de9f13e56181f117640008b96aa04d46ff8329
Signed-off-by: Tyler Chatow <tchatow@gmail.com>
diff --git a/third_party/bazel-toolchain/toolchain/internal/repo.bzl b/third_party/bazel-toolchain/toolchain/internal/repo.bzl
index ab6efe7..3be5388 100644
--- a/third_party/bazel-toolchain/toolchain/internal/repo.bzl
+++ b/third_party/bazel-toolchain/toolchain/internal/repo.bzl
@@ -33,6 +33,13 @@
         executable = False,
     )
 
+    rctx.symlink(
+        Label("@libtinfo5//lib/x86_64-linux-gnu:libtinfo.so.5.9"),
+        "lib/libtinfo.so.5.9",
+    )
+
+    rctx.symlink("lib/libtinfo.so.5.9", "lib/libtinfo.so.5")
+
     _download_llvm_preconfigured(rctx)
 
     # We try to avoid patches to the downloaded repo so that it is easier for